nTopology
New York, US · Founded 2013 · Delaware corporation · 109 employees on LinkedIn · 15 known investors
nTop (nTopology) makes parametric engineering design software that lets teams generate, explore, and validate complex geometry with manufacturing constraints and embedded FEA/CFD simulation built into the workflow. It serves engineering teams working on early research, iterative development, and production optimization.
Founders & leadership
nTopology was founded in 2013 by Gregory Schroy and Bradley Rothenberg.

Investors · 15
Also in the syndicate · 3
Funding
SEC filings, press & company announcements$109.5M disclosed across 4 rounds · 2015–2021
- $65MSeries DNov 2021 · 2 sources
Tiger Global (lead), Canaan Partners, Haystack, Insight Partners, Oldslip Group, Root Ventures
Source ↗
▶$42.5MraisedOct 2020 · 15 investors · Other TechnologyRule 506(b)
- Joshua FredbergDirector
- Carl BassDirector
- Hrach SimonianDirector
- James HardimanDirector
- Bradley RothenbergExecutive Officer, Director, Promoter
- Avidan RossDirector
- Offering amount
- $42.5M
- Amount sold
- $42.5M
- First sale
- Jun 2020
- Incorporated
- Corporation, Delaware
- Federal exemptions
- 06b
▶$975KraisedOct 2016 · 5 investors · Other TechnologyRule 506(b)
- Gregory SchroyExecutive Officer, Director, Promoter
- Bradley RothenbergExecutive Officer, Director, Promoter
- Offering amount
- $1.2M
- Amount sold
- $975K
- Minimum investment
- $1
- First sale
- Sep 2016
- Incorporated
- Corporation, Delaware, 2013
- Federal exemptions
- 06b
▶$1MraisedAug 2016 · 6 investors · Other TechnologyRule 506(b)
- Gregory SchroyExecutive Officer, Director, Promoter
- Bradley RothenbergExecutive Officer, Director, Promoter
- Offering amount
- $1M
- Amount sold
- $1M
- Minimum investment
- $1
- First sale
- Dec 2015
- Incorporated
- Corporation, Delaware, 2013
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 2
by search overlapCompanies competing with nTopology for the same Google search keywords, organic and paid, via search-intersection analysis.
In the news
Frequently asked questions
- What does nTopology do?
- nTop (nTopology) makes parametric engineering design software that lets teams generate, explore, and validate complex geometry with manufacturing constraints and embedded FEA/CFD simulation built into the workflow. It serves engineering teams working on early research, iterative development, and production optimization.
- Who founded nTopology?
- nTopology was founded by Gregory Schroy, Bradley Rothenberg in 2013.
- Who are nTopology's investors?
- nTopology's investors include Canaan Partners, CrunchFund, Notation Capital, Pathbreaker Ventures, Root Ventures Manager, Llc, Tuesday Capital, 1517, DCVC (Data Collective) and 4 more.
- How much funding has nTopology raised?
- nTopology has disclosed $109.5M raised across 4 rounds.
- Where is nTopology headquartered?
- nTopology is headquartered in New York, US.






